Home / 7,300.12-10,074.36-4,157.16

Finding the Fourth Proportional to 7,300.12, 10,074.36 and 4,157.16

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Solution

The fourth proportional to 7,300.12, 10,074.36 and 4,157.16 is: 5,736.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.12 : 10,074.36 = 4,157.16 : x
  2. Step 2: Convert to fraction form
    7,300.12/10,074.36 = 4,157.16/x
  3. Step 3: Cross multiply
    7,300.12x = 10,074.36 × 4,157.16
  4. Step 4: Simplify right side
    7,300.12x = 41,880,726.42
  5. Step 5: Solve for x
    x = 41,880,726.42/7,300.12
  6. Step 6: Final answer
    x = 5,736.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.